Radiator cap and the like



Nov. 8, 192.7.

W. B. JARVIS RADIATOR GAP AND THE LIKE Filed Feb. 6. 1926v IN VE N TOR //M//a/W Jam/f5 5% www 'w? A TTORNE Ys Patented Nov. 8, 1927.

UNITED STATES 'PATET OFFICE.y l

'WILLIAM B. JARVIS,VOF GRAND RAPIDS, MICHIGAN'.`

RADIATOR CAP AND THE'LIK.

Application led February 6, 1926.' Serial No. 86,452.

movably upon the radiator neck so that the l ornamental or other projecting features on the cap may be properly alined or positioned relative to the radiator.

Third, to provide a cap having these features which is comparatively simple and l economical in structure, has an attractive finished appearance, both internally and externally, and one in which the spring parte thereof are effectively protected.

Objects relating to details and economies of my invention will definitely appear from the detailed description to follow. The invention is clearly defined and pointed out in the claims. v

A structure which is a preferred embodi- 215 ment 0f my invention is illustrated in the accompanying drawing, forming -a part of this application, in which: y

Fig. .1 is a vertical central section of a radiator cap embodying the features of my 3@ invention, a fragment only of the radiator being shown.

Fig. 2 is a perspective/view of the spring member of the embodiment shown in Fig. 1.

Fig. 3 is an enlarged detail on a line corresponding to line 3-3 of Fig. 2.

Fig. 4 is a perspective view of the internal closure member of the cap. Fig. 5 is a vertical central .section of a modified form or embodiment of my inven- 40 tion. y

Fig. 6 is an inverted view. of the cap with certain parts omitted.

Fig. 7 is a plan view of the thrust member of the embodiment `of Figs. 5 and 6. W In the drawing similar referencev characters refer to similarparts throughout the several views.

Referring tothe drawing, 1 representsV the threaded neck of an automobile radiator. In theembodiment shownin Fig. 1,

' the cap 2 is internally chamber'ed and .is

provided with projecting ornamental wings 3, one onlyfof which is illustrated.

The cap has an internal. annular shoulder 4 constituting a supportiorthe thrust member 5- which is formed of spring brass -or other suitable material and has ha plurality of spring tongues 6 struck out therefrom. Between the threaded .portion 7 of the capy and the shoulder isan unthreaded portion'8. The gasket 9 is disposed in this Unthreaded portion to coact with the end of the neck 1.

I provide a part 10 which for convenience I designate a closure member and this inv the embodiments illustrated is cupped or spherically curved and provided-with a peripheral Harige 11, the flange being arranged between the gasket'and lthe spring thrust member. This closure member performs several functions, it' coacting with the gasket to provide a seal so that water or steam cannot. pass around the gasket and escape through the threads.' 4It also provides a. wear plate for the gasket or between the gasket and the spring `thrust member so that the gasket is not injured and distorted by the threading of the cap into place.

This closure member also provides a uniform pressure or thrust member between the gasket and the spring means, and is free to rotate with the gasket, or the cap may be rotated independentlyvof this closure member, thereby relieving the gasket of wearl and distortion. Further, it provides aneat'and attractive finish for the inside of the cap.

My improvements are capable of Vwide 4adaptation or embodiment and in Figs. 5, 6

and 7 I show my present improvements em- 'bodied or adapted to a structure of the y character shown in my application for Let-` tersPatent, Serial No. 25,272, filed April f 23,-1925. .In this embodiment the cap is provided with a central depending stud 13 and an annular abutment shoulder 14 having spaced recesses'15 therein receiving the inwardly projecting fingers 16 on the annular spring member 17. This spring member is retained with its fingers in engagement with these 'recesses and supported'by the thrust shoulder by means of the clamping disk'v 18 mounted on the stud andI secured thereon by lmeans of the nut 19. The closure member is arrangedv betweeny the thrust member and `the gasket the same as shown inFig. 1.

With this arrangement of parts a substantially lperfect seal is provided, that is, the water and steam cannot yescape around the gasket as the closure is inl sealing contact therewith and it cannot escape under the gasket owing toy its being yieldingly held against the end of the neck. It is not neces- .sary with this arrangementthat the gasket l shall be a perfect t'and, further,

uniform l thrust is provided on the gasket 'and it is not worn or distorted in turning the cap upon or from the neck. The cap may be adjusted to desired position to present projecting parts, or a dial or the likel in proper posit1on. I, j

yI have not attempted to illustrate and de# scribe certain embodiments and adaptations of my improvements to other forms or types of caps as it is believed that the disclosure -made will enable those skilled in theo art to embody or adapt my improvements as may be desired.-

Having thus described my inventlon what I claim as new and desire -to secure-by Letters Patent is:

1. The combination with a threaded neck,

vof a cap threaded to engage said neck, an an- Anular Vspring member provided with a plurality o spring tongues disposed within said cap in opposed relation t0 the end of the neck, a gasket engaging the end of the threaded neck, and a cupped closure member having a` peripheral iange disposed lbetween said asket and said spring member.

2. he combination with a threaded neck, oi a cap threaded to engage said neck, an

annular thrust member provided with a plurality of spring tongues disposed within said and a closure member disposed with its Y gasket disposed below said closure member to engage the end of the radiator neck.

4.- The combination with a threaded neck, of a cap threaded to engage said neck, an annular thrust memberprovided with a plurality of spring tongues disposed within said cap, a gasket enga ing the end of the neck, and a closure mem er having its periphery `disposed between the gasket and said spring thrust member, the ,cap and closure member being independently rotatable.

In witness whereof I have hereunto set my hand. y

WILLIAM B. Mavis. 

